create database link command

Dynamic Link Library Management commands To share the dynamic link library with the system, you also need to run the dynamic link library management command-ldconfig. This execution program is stored in the/sbin directory. The ldconfig command is mainly used in the default

Dynamic Link Library Management commands To share the dynamic link library with the system, you also need to run the dynamic link library management command-ldconfig. This execution program is stored in the/sbin directory. The ldconfig command is mainly used in the default

Createobject method of the server object to create an ADO (Active Data Object) object, set the corresponding DNS based on the database type, location, name, and so on, and then use the open method of the ADO object to establish a database connection. After the connection is established, use a standard SQL statement to add a record to the

attachdsnlesstable function, and then pass the arguments, as shown here from the RunCode operation. AttachDSNLessTable ("authors", "authors", "(local)", "pubs", "", "") • When you use the startup form, the code is similar to the following Form_Open event. Private Sub Form_Open(Cancel As Integer) If AttachDSNLessTable("authors", "authors", "(local)", "pubs", "", "") Then '// All is okay. Else '// Not okay. End If End Sub Note that you must adjust the programming l

PerformanceIf the Initial Startup Performance of the application is important, use the dynamic link at runtime. Ease of useIn the dynamic link during loading, the exported DLL function is similar to a local function. This allows you to conveniently call these functions. Application logicIn the dynamic link during runtime, the application can be split to

Oracle cross-database query (database link) How to Create a database link for cross-database Oracle Query Grant permissions to the dbuser account on the local Oracle

Soft links under Linux are similar to shortcuts under Windows Ln-s A B is the source file, B is the link file name, its function is when entering the B directory, actually is the link into a directory As the above example, when we execute the command cd/gamestat/, we actually enter the/home/gamestat/It is noteworthy that when executing the

libraries. CL compiles the source file and name the. OBJ file and library.The name is passed to the linker. For more information, see CL file name syntax.Lib: name of one or more databases. CL passes these names to the linker.Command-file: a file that contains multiple options and file names. For more information, see the CL command file.Link-OPT: one or more Linker Options. CL passes these options to the linkerBytes ---------------------------------

seen as an alias for an object, just like an alias for a command in the Liunx operating system. But the Linux command alias only provides the benefit of easy memory.1. In Oracle, synonyms can be used to:1) Simplify the SQL statements entered in Oracle, and by creating synonyms for objects, we can simplify complex SQL statements for easy memory and manipulation2) Hide the name and owner of the object,

creating a database link, you need to clarify several things: 1. confirm that the server from which the cube is created can access the remote database.2. You need to configure a remote database connection string in tnsnames of the cube.3. Only connections configured on the server can be used in dblink. If connections

= (ADDRESS = (PROTOCOL = TCP) (HOST = 192.168.0.78) (PORT = 1521)) (connect_ DATA = (service_name = ORCL))) using: SELECT * from [emailprotected] ; Update[email Protected] set min_salary = WHERE job_id = ' Sh_clerk '; links between databases are based on database link. To create a DB link, you must first set t

Create a soft link in ln-S Ln-S is used to create soft links, which is equivalentWindowsIn the shortcut, the command for creating the file TTT in the upper-level directory in the current directory named ttt2 soft link is ln-s .. /TTT ttt2. If the original file is deleted as

Article Title: dynamic link library management command Ldconfig instructions for use. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open-source, and other basic classification Linux systems. In order to share dynamic link libraries with the system, you also need to

Ln-s Source File Destination fileWhen we need to use the same file in different directories, we do not need to put in each required directory must be the same file, we just put the file in a fixed directory, and then in other directories with the ln command link (link) it can, do not have to repeatedly occupy disk space, Only one mirror of the target file is gene

Create a centos image file that can be automatically installed [Copy link] 00 Direct elevator1Building [add to Favorites (0)] [report]Posted on 23:45:01| View only the author | view in reverse order To create an automatically installed centos image file, follow these steps:# Mkdir-pv iso/centos first